pt is a design-unit point during flattening.

ID is the session-stable handle of a sketch or sketch entity, used by constraints and selection. Like document ids it is not persisted across sessions

WorkRef is a stable, serializable reference to a work feature or origin element — the way work features (and revolve) name the geometry they are built

General intersecting boolean (PBI-171). Our solids are planar-faceted, so the robust path is a BSP-tree CSG (the Thibault–Naylor / csg.js algorithm) o

ID is a document's session-stable handle. Like entity ids (core/02), it is a cheap in-memory identity for maps, selection and the UI — it is NOT persi

PartFeatureOperation is the boolean a feature applies to existing material — the PartFeatureOperationEnum.

corner is one rounded end of a filleted edge: the cylinder centre at that end, the tangent points on faces a/b, and the arc midpoint (the cylinder poi

Entity is a piece of sketch geometry (line, arc, circle, point, …). The full interface — constrainable points, curve evaluation — is filled in by the

base holds the identity and edit/visibility/display state common to every sketch kind.

EntityKind names what a sketch entity IS — the stable identifier its persistence codec is registered under (#1624, audit I1). The string values are th

ID is a feature's session-stable handle. Renaming a feature does not change it, so reorder and dependency edges remain valid across renames.

Role is one color layer of an icon. An SVG asset assigns its elements to roles by painting them with the role's sentinel color (see sentinelPaint); th

TextHJustify is a text box's horizontal justification. It mirrors [oblikovati.org/api/types.TextHorizontalAlign] but stays an int enum here so existin

TextVJustify is a text box's vertical justification (mirrors [oblikovati.org/api/types.TextVerticalAlign]). Baseline is the sketch-text default.

ConstraintKind names what a geometric constraint IS — the stable identifier its persistence codec and creation factory are registered under (#1625, au

ID is a parameter's stable identity. Expression references and the dependency graph bind to it, never to display text, so renaming a parameter is a re

Path is a connected chain of sketch entities used as a sweep/loft rail or guide. It may be open or closed; tangency continuity between consecutive ent

a (literal) or <hex> string object

Surface matching (M36-F05) — the defining Class-A construction move: rebuild one surface against a neighbour to a chosen continuity (G0 position, G1 t

CurveKind classifies the analytic and freeform 3D curves. Add a value here AND its Kind() method AND a probe in the coverage test when a new curve lan

ExtentDirection is which way a feature grows — the PartFeatureExtentDirectionEnum.

OccurrencePath addresses a (possibly nested) occurrence from a root assembly: the sequence of occurrence instance names from the top down, e.g. ["gear

Analytic special-casing of surfaces and curves is legitimate — OCCT does exactly this (GeomAdaptor_Surface::GetType / GeomAbs_SurfaceType classify a c

rect is a screen-space rectangle (top-left origin) plus the mm→pixel scale that produced it, so nested geometry (border, title block) shares one scale

sketchIndex adapts a part's sketch collection to feature.SketchIndexer so features can record and re-bind their input sketch by index.

weld accumulates the coincidence-welded vertices, edges and faces to rebuild. snap (identity for plain stitching) lets Sew pull near-coincident bounda

ContextID identifies the topology context a key was minted in. It is part of a key's identity and is preserved across save/load (encoded in the key by

Definition is the component definition an occurrence instances — a part or an assembly definition (model/compdef). Many occurrences can share one Defi

EntityKind discriminates the topological/model entities a key can name. Values are STABLE: they are encoded into persisted keys, so never renumber the

Falloff selects how a region edit's displacement decays with distance from the dragged control points (the "drivers").

Mold core/cavity tooling (M10-F04, PBI-116). Phase A splits the tooling block's axis-aligned bounds by a planar parting at a given height into two sol

RegionKind is whether a ViewCube region is a face, an edge, or a corner.

SuggestionKind names a constraint the inference engine proposes while sketching.

keyLineage adapts a kernel reference key (of any entity kind) to identity.Lineage + AncestralLineage. ParentKey derives the parent the same way for ev

readOnlyFunc adapts a query func to [MethodHandler] only — it deliberately does NOT implement [MutatingMethod], so the router never records or replica

Sheet-metal Fold feature (M13-F02). A fold bends a flat face along a sketch line drawn on it. Unlike the Bend (which treats the line as the bend's ins

Variable-pitch coils (M06-F09, Oblikovati/Oblikovati#624): the coil's helix rail may carry a pitch row table — pitch changes per revolution station —

CoilPitchRowData is one persisted pitch station.

Constraint is one relation the solver must satisfy. It exposes residual equations (each zero when satisfied) and the scalar variables it reads, as poi

Content is the modeling payload a document holds — the data side of the document/content split (parametric-cad §1b). The document owns file identity a

Sheet-metal Corner feature (M13-F02). A corner treatment chamfers or rounds the corner of a sheet-metal face — the through-thickness edge where two bo

EntityKind discriminates topological entities. Values are stable (they prefix a reference key, which is persisted): never renumber.

Helical curve definitions (M06-F09, Oblikovati/Oblikovati#624): beyond the constant shape of M22-F04, a helix may carry a variable shape — a row table

HelixRowData is one persisted variable-shape station (cm / turns).

Sheet-metal Hem feature (M13-F02). A hem folds the material at an edge back on itself — the reinforced/safe edge on a finished panel. Geometrically it

Kind is a format-neutral entity discriminator. Its String is the canonical entity name (LINE, CIRCLE, …) — which doubles as the DXF entity name, so th

LightingStyleID selects a built-in lighting rig — the renderer-internal mirror of an Inventor LightingStyle preset. Like [VisualStyle], every value re

ObjectType is a DWG object/entity type code. Codes below 500 are fixed (the same in every file); codes >= 500 are file-specific and resolved through t

Point2 is an immutable 2D position (contract: Point2d), used in sketch space. Distinct from [Vector2]: only a point is affected by the translation par

Point3 is an immutable 3D position (contract: Point). It is distinct from [Vector3] because the two transform differently: a point is affected by the

ProjectionMode is a view's camera projection, matching Inventor's ViewCube projection menu (Orthographic / Perspective / Perspective with Ortho Faces)

RevisionRow is one row of a revision table: a revision identifier, its date, and a description of the change. The rows are user-supplied drawing histo

RuleFilletRule selects which of the running body's edges a rule fillet rounds, by dihedral class — the M20-F10 plastic-part "rule fillet" (#486), wher

RuledSurfaceType is the direction convention for a ruled surface's straight rulings (Inventor's RuledSurfaceTypeEnum): along the source plane Normal,

Sheet-metal Corner Seam feature (M13-F02). Where two flange walls meet at a corner, the seam controls the relief between them. The gap seam cuts a squ

Selectable is anything the selection set can hold. Concrete handles wrap the underlying model entity so the kernel/model packages stay free of UI type

State is an add-in's status relative to the host: available to install, installed and up to date, or installed with a newer version in the catalogue.

Status is the condition of a modeling entity.

The sweep definition union (M08 PBI-094, #314): beyond the plain path sweep, a profile can ride the path with a guide rail (scaling/orientation), a gu

SweepTwistStationData is one persisted twist station.

Tier identifies one of the four automotive geometry classes the benchmark scatters through the assembly; each stresses a distinct engine hot path (ins

TokenKind classifies a Part 21 lexeme.

ValueKind discriminates a parsed parameter Value.

Vector2 is an immutable 2D displacement/direction (contract: Vector2d), used in sketch space. It transforms by the linear part of a [Matrix3], ignorin

Vector3 is an immutable 3D displacement/direction (contract: Vector). Unlike a [Point3] it has no position; transforming it by a [Matrix4] ignores the

ViewKind distinguishes the two standard BOM views.

colorStylesView adapts the registry's color styles to contract.ColorStyles.

Shared test fixtures for the identity package. They stand in for the kernel/topo entities (Face/Edge/Vertex) that implement [Entity]/[Lineage] in the

a numeric object

residualFn adapts a closure to solve.Residual, letting each constraint express its residuals as a function over the bound placements' live matrices.

revisionRowRecipe is the YAML shape of one revision-table row.

δ straddling the ceiling: 0, 0.4·ceil, 0.9·ceil snap (exact bicylinder); 2·ceil, 6·ceil fall to the faceted route (still ≪ 2.5e-4·r, so the near-pinch

a /Name object (without the slash)

AddIn is a third-party (or first-party) extension — Inventor's ApplicationAddInServer. On Activate it contributes commands (which appear on the ribbon

AddIn is one installed add-in's identity in a snapshot.

AddInAutomationProbe is the optional capability that reports whether an add-in's automation surface is actually present. The shared-library wrapper al

AddInBehaviorStore persists the per-user load behaviors across sessions. A missing store file loads as an empty map (fresh install ⇒ everything LoadOn

AddInBrowserPanes stores the declared panes in creation order.

AddInDockableWindows stores the declared windows in creation order.

AddInLocated is the optional capability of an [AddIn] that knows the shared-library file it was loaded from.

AddInManager loads and tracks add-ins — the ApplicationAddIns registry. Activation is idempotent per add-in. Load behaviors and the automation routing

AddInManifested is the optional capability of an [AddIn] that carries the C-ABI manifest JSON (a [wire.AddInManifest]) — every shared-library add-in d

AddInStatus pairs a catalogue entry with the host's view of it: its state, the installed version (empty when not installed) and the latest catalogue v

AddInTaskPanels holds the open modal task panels an add-in asked the host to show. The head renders each modally (BeginPopupModal) and calls ResolveTa

AddSheetTool adds a sheet to the active drawing. It is a dialog-only tool (no picks): the user chooses a standard size or a custom width×height and an

AdjacentDir is one of the four ViewCube adjacent-face arrows (N20): up/down rotate over the top/bottom edge, left/right around the vertical.

Affine is a 3×4 row-major affine transform (the last row is implicitly 0 0 0 1). It composes block-insert placements so nested INSERTs accumulate corr

AliasFreeformFeature is an imported Autodesk Alias sub-D body (M17 translation) participating as an editable free-form feature; it shares the cage edi

AliasFreeformFeatures adds imported Alias free-form bodies into the engine.

All is every persisted option group. The ViewCube/display preferences live in their own store (persistence/userprefs) and the color scheme in the them

Analyzer debounces checking: it watches the source via Observe and only re-runs the Checker once the text has been unchanged for the debounce interval